Home / 221,780,958.80-332,671,438.20-164,385,330.80

Finding the Fourth Proportional to 221,780,958.80, 332,671,438.20 and 164,385,330.80

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Solution

The fourth proportional to 221,780,958.80, 332,671,438.20 and 164,385,330.80 is: 246,577,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,780,958.80 : 332,671,438.20 = 164,385,330.80 : x
  2. Step 2: Convert to fraction form
    221,780,958.80/332,671,438.20 = 164,385,330.80/x
  3. Step 3: Cross multiply
    221,780,958.80x = 332,671,438.20 × 164,385,330.80
  4. Step 4: Simplify right side
    221,780,958.80x = 54,686,304,416,218,760
  5. Step 5: Solve for x
    x = 54,686,304,416,218,760/221,780,958.80
  6. Step 6: Final answer
    x = 246,577,996.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.